'************************************************************************************
' Copyright © 2003-2005 Kathleen Dollard
'
' This software is provided 'as-is', without any express or implied warranty. In no 
' event will the author be held liable for any damages arising from the use of this
' software.
' 
' You may use this software for any purpose, including commercial applications, 
' and you may redistribute this software as part of application delivery: however, 
' this copyright notice may not be removed and you may not otherwise redistribute 
' this software directly other than providing a link to wwww.gendotnet.com. 
'
' You may alter this software to better server your needs (I'd like to hear about your 
' changes in order to make the software better). If you alter the softwre, you must  
' clearly mark it as altered and must not be misrepresented as the original software.
' nor wholly your original work.
'*************************************************************************************
Option Strict On
Option Explicit On 

Imports System

Namespace KADGen.CodeGenerationSupport
   Public Class CodeDOMGeneration
      Inherits MultiPass

#Region "Class level declarations"
      Private mMethodInfo As Reflection.MethodInfo
#End Region

#Region "Public properties and methods"
      Public Sub Run( _
                     ByVal node As Xml.XmlNode, _
                     ByVal runUtility As RunUtility, _
                     ByVal statusDirective As IStatusDirective)
         Dim CodeDomDirective As CodeGenerationSupport.ICodeDOMGenerationDirective
         Dim multiPassDirective As CodeGenerationSupport.IMultiPassDirective

         CodeDomDirective = CType(node, CodeGenerationSupport.ICodeDOMGenerationDirective)
         multiPassDirective = CType(node, CodeGenerationSupport.IMultiPassDirective)
         Try
            Me.mMethodInfo = CodeDomDirective.Process.MethodInfo
            Me.SetParams(CodeDomDirective.Process.Params)
            Me.MultiPass(multiPassDirective, _
                     Nothing, Nothing, _
                     AddressOf CodeDOMGenerationCallBack, _
                     statusDirective, _
                     runUtility)
         Catch ex As System.Exception
            ' Exception should already be recorded
         End Try
      End Sub

#End Region

#Region "Protected properties and methods"
#End Region

#Region "Private properties and methods"
      Private Function CodeDOMGenerationCallBack( _
               ByVal outputFileName As String, _
               ByVal multiPassDirective As CodeGenerationSupport.IMultiPassDirective, _
               ByVal nodeSelect As Xml.XmlNode, _
               ByVal runUtility As CodeGenerationSupport.RunUtility, _
               ByVal statusOutput As CodeGenerationSupport.IStatusOutput) _
               As IO.Stream
         Dim compileUnit As CodeDom.CodeCompileUnit
         Dim codeDomDirective As CodeGenerationSupport.ICodeDOMGenerationDirective
         codeDomDirective = CType(multiPassDirective, _
                  CodeGenerationSupport.ICodeDOMGenerationDirective)
         SetParameters(nodeSelect, outputFileName)
         Dim params As Object() = runUtility.BuildParamArray(Me.Params)
         If params Is Nothing Then
            compileUnit = CType(mMethodInfo.Invoke( _
                                 Me, params), CodeDom.CodeCompileUnit)
         Else
            compileUnit = CType(mMethodInfo.Invoke( _
                                 Me, params), CodeDom.CodeCompileUnit)
         End If
         Return CodeDOMSupport.GenerateViaCodeDOM( _
                              codeDomDirective.TargetLanguage, compileUnit)
      End Function
#End Region
   End Class
End Namespace